The San Francisco 49ers were absolutely ravaged by injuries last season, which played a massive role in their disappointing 6-11. And once again this summer, the 49ers are once again experiencing medical issues. So, what is the reason behind San Francisco's inability to stay healthy? Is there a deeper problem here?

Isaac Guerendo and Renardo Green stood out during San Francisco 49ers practice Tuesday as they returned from their respective injuries.

The injury list for the San Francisco 49ers went through a bit of a shuffle with a few key players returning from injuries Tuesday while significant questions remain on several others just a week before NFL rosters will be cut to 53 players.

Here's who stood out on Day 16 of 49ers training camp. Keep in mind, Mac Jones sprained his knee in the 49ers' preseason win over the Raiders on Saturday.

Mac Jones will be sidelined for the remainder of the week and for the San Francisco 49ers ’ preseason finale against the Los Angeles Chargers on Saturday. 49ers coach Kyle Shanahan told reporters that Jones suffered a knee sprain and will be unavailable this week due to a knee sprain the quarterback suffered against the Las Vegas Raiders.

It still feels like a fever dream or a practical joke, but Tom Brady is actually a part-owner of the Las Vegas Raiders. Brady is from Northern California and grew up a fan of the San Francisco 49ers.

Las Vegas Raiders LB Elandon Roberts showcased his veteran skill set versus the San Francisco 49ers in Week 2 of the preseason.

San Francisco 49ers cornerback Deommodore Lenoir hilariously explained how his friendship with Chase Lucas has evolved over the years.